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 A209737 Number of n X n 0..5 arrays with every 2X2 subblock containing exactly one value repeat, and new values 0..5 introduced in row major order 0
 1, 6, 2025, 20611956, 3309942226828, 6126537051572916244, 126664397726626418134051983 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Diagonal of A209744 LINKS Table of n, a(n) for n=1..7. EXAMPLE Some solutions for n=5 ..0..0..0..0..1....0..0..0..1..1....0..0..0..0..0....0..0..0..0..0 ..1..2..1..2..0....1..2..1..2..0....1..2..1..2..1....1..2..1..2..1 ..0..1..0..0..3....1..0..0..0..3....0..0..0..0..0....0..1..0..2..3 ..1..2..1..2..2....3..3..4..1..0....1..2..1..2..1....1..4..4..0..2 ..0..2..3..1..0....1..4..5..4..0....0..0..1..0..0....5..5..2..0..1 CROSSREFS Sequence in context: A024086 A094036 A053293 * A209458 A209520 A279440 Adjacent sequences: A209734 A209735 A209736 * A209738 A209739 A209740 KEYWORD nonn AUTHOR R. H. Hardin Mar 12 2012 STATUS approved

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Last modified October 1 15:57 EDT 2023. Contains 365826 sequences. (Running on oeis4.)